Herrera claimed they, together with the United roster as a whole, have made him feel at home immediately. However, there is another man who gave the Spaniard an "unforgettable day".

That man, a Manchester United legend and a mainstay through three decades of elite-level football, has gone on to enjoy an ambassadorial role with the club and, on Herrera's unveiling earlier in the transfer window, was on hand to meet and greet the £28.25 million acquisition.